Finding the Fourth Proportional to 9,398.31, 12,969.52 and 5,149.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,398.31 : 12,969.52 = 5,149.34 : x
2. Step 2: Convert to fraction form
   9,398.31/12,969.52 = 5,149.34/x
3. Step 3: Cross multiply
   9,398.31x = 12,969.52 × 5,149.34
4. Step 4: Simplify right side
   9,398.31x = 66,784,416.14
5. Step 5: Solve for x
   x = 66,784,416.14/9,398.31
6. Step 6: Final answer
   x = 7,106.00